text: /*******************************************************************************
   * CLI - A simple command line interface.
   * Copyright (C) 2016-2018 Daniele Pallastrelli
   *
   * Boost Software License - Version 1.0 - August 17th, 2003
   *
   * Permission is hereby granted, free of charge, to any person or organization
   * obtaining a copy of the software and accompanying documentation covered by
   * this license (the "Software") to use, reproduce, display, distribute,
   * execute, and transmit the Software, and to prepare derivative works of the
   * Software, and to permit third-parties to whom the Software is furnished to
   * do so, all subject to the following:
   *
   * The copyright notices in the Software and this entire statement, including
   * the above license grant, this restriction and the following disclaimer,
   * must be included in all copies of the Software, in whole or in part, and
   * all derivative works of the Software, unless such copies or derivative
   * works are solely in the form of machine-executable object code generated by
   * a source language processor.
   *
   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
   * FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
   * SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
   * FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
   * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
   * DEALINGS IN THE SOFTWARE.
   ******************************************************************************/
  
  #include "cli/clilocalsession.h" // include boost asio
  #include "cli/remotecli.h"
  // TODO. NB: remotecli.h and clilocalsession.h both includes boost asio, 
  // so in Windows it should appear before cli.h that include rang
  // (consider to provide a global header file for the library)
  #include "cli/cli.h"
  
  using namespace cli;
  using namespace std;
  
  
  int main()
  {
      boost::asio::io_service ios;
  
      // setup cli
  
      auto rootMenu = make_unique< Menu >( "cli" );
      rootMenu -> Add(
              "hello",
              [](std::ostream& out){ out << "Hello, world\n"; },
              "Print hello world" );
      rootMenu -> Add(
              "hello_everysession",
              [](std::ostream&){ Cli::cout() << "Hello, everybody" << std::endl; },
              "Print hello everybody on all open sessions" );
      rootMenu -> Add(
              "answer",
              [](std::ostream& out, int x){ out << "The answer is: " << x << "\n"; },
              "Print the answer to Life, the Universe and Everything " );
      rootMenu -> Add(
              "color",
              [](std::ostream& out){ out << "Colors ON\n"; SetColor(); },
              "Enable colors in the cli" );
      rootMenu -> Add(
              "nocolor",
              [](std::ostream& out){ out << "Colors OFF\n"; SetNoColor(); },
              "Disable colors in the cli" );
  
      auto subMenu = make_unique< Menu >( "sub" );
      subMenu -> Add(
              "hello",
              [](std::ostream& out){ out << "Hello, submenu world\n"; },
              "Print hello world in the submenu" );
      subMenu -> Add(
              "demo",
              [](std::ostream& out){ out << "This is a sample!\n"; },
              "Print a demo string" );
  
      auto subSubMenu = make_unique< Menu >( "subsub" );
          subSubMenu -> Add(
              "hello",
              [](std::ostream& out){ out << "Hello, subsubmenu world\n"; },
              "Print hello world in the sub-submenu" );
      subMenu -> Add( std::move(subSubMenu));
  
      rootMenu -> Add( std::move(subMenu) );
  
  
      Cli cli( std::move(rootMenu) );
      // global exit action
      cli.ExitAction( [](auto& out){ out << "Goodbye and thanks for all the fish.\n"; } );
  
      CliLocalTerminalSession localSession(cli, ios, std::cout, 200);
      localSession.ExitAction(
          [&ios](auto& out) // session exit action
          {
              out << "Closing App...\n";
              ios.stop();
          }
      );
  
      // setup server
  
      CliTelnetServer server(ios, 5000, cli);
      // exit action for all the connections
      server.ExitAction( [](auto& out) { out << "Terminating this session...\n"; } );
      ios.run();
  
      return 0;
  }
  